API MPMS 11.4.1-2018 Manual of Petroleum Measurement Standards Chapter 11-Physical Properties Data S API MPMS 13.2-2018 Manual of Petroleum Measurement Standards Chapter 13-Statistical Aspects of Measu API MPMS 7.2-2018 Manual of Petroleum Measurement Standards Chapter 7-Temperature Determination Sect API MPMS 9.4-2018 Manual of Petroleum Measurement Standards Chapter 9.4-Continuous Density Measureme API MPMS 22.4-2018 Manual of Petroleum Measurement Standards, Chapter 22.4 Testing Protocol for Pres API MPMS 18.1-2018 Manual of Petroleum Measurement Standards Chapter 18-Custody Transfer Section 1-M API MPMS 3.1B-2018 Manual of Petroleum Measurement Standards Chapter 3. Tank Gauging Section 1B. Sta API TR 2577-2018 Performance of Full-bore Vortex Meters for Measurement of Liquid Flows